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Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.4 by dl, Sat Sep 20 00:31:57 2003 UTC vs.
Revision 1.36 by jsr166, Sat Oct 9 22:27:16 2010 UTC

# Line 1 | Line 1
1   /*
2 < * Written by members of JCP JSR-166 Expert Group and released to the
3 < * public domain. Use, modify, and redistribute this code in any way
4 < * without acknowledgement. Other contributors include Andrew Wright,
5 < * Jeffrey Hayes, Pat Fischer, Mike Judd.
2 > * Written by Doug Lea with assistance from members of JCP JSR-166
3 > * Expert Group and released to the public domain, as explained at
4 > * http://creativecommons.org/licenses/publicdomain
5 > * Other contributors include Andrew Wright, Jeffrey Hayes,
6 > * Pat Fisher, Mike Judd.
7   */
8  
9   import java.util.concurrent.*;
10 + import static java.util.concurrent.TimeUnit.MILLISECONDS;
11 + import java.util.concurrent.atomic.*;
12   import junit.framework.*;
13 < import java.util.List;
13 > import java.util.*;
14  
15   public class ThreadPoolExecutorTest extends JSR166TestCase {
16      public static void main(String[] args) {
17 <        junit.textui.TestRunner.run (suite());  
17 >        junit.textui.TestRunner.run(suite());
18      }
19      public static Test suite() {
20          return new TestSuite(ThreadPoolExecutorTest.class);
21      }
22 <    
22 >
23 >    static class ExtendedTPE extends ThreadPoolExecutor {
24 >        volatile boolean beforeCalled = false;
25 >        volatile boolean afterCalled = false;
26 >        volatile boolean terminatedCalled = false;
27 >        public ExtendedTPE() {
28 >            super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
29 >        }
30 >        protected void beforeExecute(Thread t, Runnable r) {
31 >            beforeCalled = true;
32 >        }
33 >        protected void afterExecute(Runnable r, Throwable t) {
34 >            afterCalled = true;
35 >        }
36 >        protected void terminated() {
37 >            terminatedCalled = true;
38 >        }
39 >    }
40 >
41 >    static class FailingThreadFactory implements ThreadFactory {
42 >        int calls = 0;
43 >        public Thread newThread(Runnable r) {
44 >            if (++calls > 1) return null;
45 >            return new Thread(r);
46 >        }
47 >    }
48 >
49 >
50      /**
51 <     * For use as ThreadFactory in constructors
51 >     * execute successfully executes a runnable
52       */
53 <    static class MyThreadFactory implements ThreadFactory{
54 <        public Thread newThread(Runnable r){
55 <            return new Thread(r);
56 <        }  
53 >    public void testExecute() throws InterruptedException {
54 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
55 >        try {
56 >            p1.execute(new ShortRunnable());
57 >            Thread.sleep(SMALL_DELAY_MS);
58 >        } finally {
59 >            joinPool(p1);
60 >        }
61      }
62  
63      /**
64 <     * For use as RejectedExecutionHandler in constructors
64 >     * getActiveCount increases but doesn't overestimate, when a
65 >     * thread becomes active
66       */
67 <    static class MyREHandler implements RejectedExecutionHandler{
68 <        public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
67 >    public void testGetActiveCount() throws InterruptedException {
68 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
69 >        assertEquals(0, p2.getActiveCount());
70 >        p2.execute(new MediumRunnable());
71 >        Thread.sleep(SHORT_DELAY_MS);
72 >        assertEquals(1, p2.getActiveCount());
73 >        joinPool(p2);
74      }
75 <
75 >
76      /**
77 <     *   execute successfully executes a runnable
77 >     * prestartCoreThread starts a thread if under corePoolSize, else doesn't
78       */
79 <    public void testExecute(){
80 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
81 <        try {
82 <            one.execute(new Runnable(){
83 <                    public void run(){
84 <                        try{
85 <                            Thread.sleep(SHORT_DELAY_MS);
86 <                        } catch(InterruptedException e){
87 <                            fail("unexpected exception");
88 <                        }
49 <                    }
50 <                });
51 <            Thread.sleep(SMALL_DELAY_MS);
52 <        } catch(InterruptedException e){
53 <            fail("unexpected exception");
54 <        }
55 <        joinPool(one);
79 >    public void testPrestartCoreThread() {
80 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
81 >        assertEquals(0, p2.getPoolSize());
82 >        assertTrue(p2.prestartCoreThread());
83 >        assertEquals(1, p2.getPoolSize());
84 >        assertTrue(p2.prestartCoreThread());
85 >        assertEquals(2, p2.getPoolSize());
86 >        assertFalse(p2.prestartCoreThread());
87 >        assertEquals(2, p2.getPoolSize());
88 >        joinPool(p2);
89      }
90  
91      /**
92 <     *   getActiveCount gives correct values
93 <     */
94 <    public void testGetActiveCount(){
95 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
96 <        assertEquals(0, two.getActiveCount());
97 <        two.execute(new MediumRunnable());
98 <        try{
99 <            Thread.sleep(SHORT_DELAY_MS);
100 <        } catch(Exception e){
101 <            fail("unexpected exception");
69 <        }
70 <        assertEquals(1, two.getActiveCount());
71 <        joinPool(two);
92 >     * prestartAllCoreThreads starts all corePoolSize threads
93 >     */
94 >    public void testPrestartAllCoreThreads() {
95 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
96 >        assertEquals(0, p2.getPoolSize());
97 >        p2.prestartAllCoreThreads();
98 >        assertEquals(2, p2.getPoolSize());
99 >        p2.prestartAllCoreThreads();
100 >        assertEquals(2, p2.getPoolSize());
101 >        joinPool(p2);
102      }
103 <    
103 >
104      /**
105 <     *   getCompleteTaskCount gives correct values
105 >     * getCompletedTaskCount increases, but doesn't overestimate,
106 >     * when tasks complete
107       */
108 <    public void testGetCompletedTaskCount(){
109 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
110 <        assertEquals(0, two.getCompletedTaskCount());
111 <        two.execute(new ShortRunnable());
112 <        try{
113 <            Thread.sleep(MEDIUM_DELAY_MS);
114 <        } catch(Exception e){
115 <            fail("unexpected exception");
108 >    public void testGetCompletedTaskCount() throws InterruptedException {
109 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
110 >        assertEquals(0, p2.getCompletedTaskCount());
111 >        p2.execute(new ShortRunnable());
112 >        Thread.sleep(SMALL_DELAY_MS);
113 >        assertEquals(1, p2.getCompletedTaskCount());
114 >        try { p2.shutdown(); } catch (SecurityException ok) { return; }
115 >        joinPool(p2);
116 >    }
117 >
118 >    /**
119 >     * getCorePoolSize returns size given in constructor if not otherwise set
120 >     */
121 >    public void testGetCorePoolSize() {
122 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
123 >        assertEquals(1, p1.getCorePoolSize());
124 >        joinPool(p1);
125 >    }
126 >
127 >    /**
128 >     * getKeepAliveTime returns value given in constructor if not otherwise set
129 >     */
130 >    public void testGetKeepAliveTime() {
131 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
132 >        assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
133 >        joinPool(p2);
134 >    }
135 >
136 >
137 >    /**
138 >     * getThreadFactory returns factory in constructor if not set
139 >     */
140 >    public void testGetThreadFactory() {
141 >        ThreadFactory tf = new SimpleThreadFactory();
142 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), tf, new NoOpREHandler());
143 >        assertSame(tf, p.getThreadFactory());
144 >        joinPool(p);
145 >    }
146 >
147 >    /**
148 >     * setThreadFactory sets the thread factory returned by getThreadFactory
149 >     */
150 >    public void testSetThreadFactory() {
151 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
152 >        ThreadFactory tf = new SimpleThreadFactory();
153 >        p.setThreadFactory(tf);
154 >        assertSame(tf, p.getThreadFactory());
155 >        joinPool(p);
156 >    }
157 >
158 >
159 >    /**
160 >     * setThreadFactory(null) throws NPE
161 >     */
162 >    public void testSetThreadFactoryNull() {
163 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
164 >        try {
165 >            p.setThreadFactory(null);
166 >            shouldThrow();
167 >        } catch (NullPointerException success) {
168 >        } finally {
169 >            joinPool(p);
170          }
86        assertEquals(1, two.getCompletedTaskCount());
87        two.shutdown();
88        joinPool(two);
171      }
172 <    
172 >
173      /**
174 <     *   getCorePoolSize gives correct values
174 >     * getRejectedExecutionHandler returns handler in constructor if not set
175       */
176 <    public void testGetCorePoolSize(){
177 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
178 <        assertEquals(1, one.getCorePoolSize());
179 <        joinPool(one);
176 >    public void testGetRejectedExecutionHandler() {
177 >        RejectedExecutionHandler h = new NoOpREHandler();
178 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), h);
179 >        assertSame(h, p.getRejectedExecutionHandler());
180 >        joinPool(p);
181      }
182 <    
182 >
183      /**
184 <     *   getKeepAliveTime gives correct values
184 >     * setRejectedExecutionHandler sets the handler returned by
185 >     * getRejectedExecutionHandler
186       */
187 <    public void testGetKeepAliveTime(){
188 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
189 <        assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
190 <        joinPool(two);
187 >    public void testSetRejectedExecutionHandler() {
188 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
189 >        RejectedExecutionHandler h = new NoOpREHandler();
190 >        p.setRejectedExecutionHandler(h);
191 >        assertSame(h, p.getRejectedExecutionHandler());
192 >        joinPool(p);
193      }
194 <    
194 >
195 >
196      /**
197 <     *   getLargestPoolSize gives correct values
197 >     * setRejectedExecutionHandler(null) throws NPE
198       */
199 <    public void testGetLargestPoolSize(){
200 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
199 >    public void testSetRejectedExecutionHandlerNull() {
200 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
201          try {
202 <            assertEquals(0, two.getLargestPoolSize());
203 <            two.execute(new MediumRunnable());
204 <            two.execute(new MediumRunnable());
205 <            Thread.sleep(SHORT_DELAY_MS);
206 <            assertEquals(2, two.getLargestPoolSize());
207 <        } catch(Exception e){
208 <            fail("unexpected exception");
209 <        }
210 <        joinPool(two);
202 >            p.setRejectedExecutionHandler(null);
203 >            shouldThrow();
204 >        } catch (NullPointerException success) {
205 >        } finally {
206 >            joinPool(p);
207 >        }
208 >    }
209 >
210 >
211 >    /**
212 >     * getLargestPoolSize increases, but doesn't overestimate, when
213 >     * multiple threads active
214 >     */
215 >    public void testGetLargestPoolSize() throws InterruptedException {
216 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
217 >        assertEquals(0, p2.getLargestPoolSize());
218 >        p2.execute(new MediumRunnable());
219 >        p2.execute(new MediumRunnable());
220 >        Thread.sleep(SHORT_DELAY_MS);
221 >        assertEquals(2, p2.getLargestPoolSize());
222 >        joinPool(p2);
223      }
224 <    
224 >
225      /**
226 <     *   getMaximumPoolSize gives correct values
226 >     * getMaximumPoolSize returns value given in constructor if not
227 >     * otherwise set
228       */
229 <    public void testGetMaximumPoolSize(){
230 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
231 <        assertEquals(2, two.getMaximumPoolSize());
232 <        joinPool(two);
229 >    public void testGetMaximumPoolSize() {
230 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
231 >        assertEquals(2, p2.getMaximumPoolSize());
232 >        joinPool(p2);
233      }
234 <    
234 >
235      /**
236 <     *   getPoolSize gives correct values
236 >     * getPoolSize increases, but doesn't overestimate, when threads
237 >     * become active
238       */
239 <    public void testGetPoolSize(){
240 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
241 <        assertEquals(0, one.getPoolSize());
242 <        one.execute(new MediumRunnable());
243 <        assertEquals(1, one.getPoolSize());
244 <        joinPool(one);
239 >    public void testGetPoolSize() {
240 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
241 >        assertEquals(0, p1.getPoolSize());
242 >        p1.execute(new MediumRunnable());
243 >        assertEquals(1, p1.getPoolSize());
244 >        joinPool(p1);
245      }
246 <    
246 >
247      /**
248 <     *   getTaskCount gives correct values
248 >     * getTaskCount increases, but doesn't overestimate, when tasks submitted
249       */
250 <    public void testGetTaskCount(){
251 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
250 >    public void testGetTaskCount() throws InterruptedException {
251 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
252 >        assertEquals(0, p1.getTaskCount());
253 >        p1.execute(new MediumRunnable());
254 >        Thread.sleep(SHORT_DELAY_MS);
255 >        assertEquals(1, p1.getTaskCount());
256 >        joinPool(p1);
257 >    }
258 >
259 >    /**
260 >     * isShutDown is false before shutdown, true after
261 >     */
262 >    public void testIsShutdown() {
263 >
264 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
265 >        assertFalse(p1.isShutdown());
266 >        try { p1.shutdown(); } catch (SecurityException ok) { return; }
267 >        assertTrue(p1.isShutdown());
268 >        joinPool(p1);
269 >    }
270 >
271 >
272 >    /**
273 >     * isTerminated is false before termination, true after
274 >     */
275 >    public void testIsTerminated() throws InterruptedException {
276 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
277 >        assertFalse(p1.isTerminated());
278          try {
279 <            assertEquals(0, one.getTaskCount());
280 <            one.execute(new MediumRunnable());
281 <            Thread.sleep(SHORT_DELAY_MS);
282 <            assertEquals(1, one.getTaskCount());
283 <        } catch(Exception e){
284 <            fail("unexpected exception");
158 <        }
159 <        joinPool(one);
279 >            p1.execute(new MediumRunnable());
280 >        } finally {
281 >            try { p1.shutdown(); } catch (SecurityException ok) { return; }
282 >        }
283 >        assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
284 >        assertTrue(p1.isTerminated());
285      }
286 <    
286 >
287      /**
288 <     *   isShutDown gives correct values
288 >     * isTerminating is not true when running or when terminated
289       */
290 <    public void testIsShutdown(){
291 <        
292 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
293 <        assertFalse(one.isShutdown());
294 <        one.shutdown();
295 <        assertTrue(one.isShutdown());
296 <        joinPool(one);
290 >    public void testIsTerminating() throws InterruptedException {
291 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
292 >        assertFalse(p1.isTerminating());
293 >        try {
294 >            p1.execute(new SmallRunnable());
295 >            assertFalse(p1.isTerminating());
296 >        } finally {
297 >            try { p1.shutdown(); } catch (SecurityException ok) { return; }
298 >        }
299 >        assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
300 >        assertTrue(p1.isTerminated());
301 >        assertFalse(p1.isTerminating());
302      }
303  
174        
304      /**
305 <     *   isTerminated gives correct values
177 <     *  Makes sure termination does not take an innapropriate
178 <     *  amount of time
305 >     * getQueue returns the work queue, which contains queued tasks
306       */
307 <    public void testIsTerminated(){
308 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
307 >    public void testGetQueue() throws InterruptedException {
308 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
309 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, q);
310 >        FutureTask[] tasks = new FutureTask[5];
311 >        for (int i = 0; i < 5; i++) {
312 >            tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
313 >            p1.execute(tasks[i]);
314 >        }
315          try {
316 <            one.execute(new MediumRunnable());
316 >            Thread.sleep(SHORT_DELAY_MS);
317 >            BlockingQueue<Runnable> wq = p1.getQueue();
318 >            assertSame(q, wq);
319 >            assertFalse(wq.contains(tasks[0]));
320 >            assertTrue(wq.contains(tasks[4]));
321 >            for (int i = 1; i < 5; ++i)
322 >                tasks[i].cancel(true);
323 >            p1.shutdownNow();
324          } finally {
325 <            one.shutdown();
325 >            joinPool(p1);
326          }
187        try {
188            assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
189            assertTrue(one.isTerminated());
190        } catch(Exception e){
191            fail("unexpected exception");
192        }      
327      }
328  
329      /**
330 <     *   purge correctly removes cancelled tasks
197 <     *  from the queue
330 >     * remove(task) removes queued task, and fails to remove active task
331       */
332 <    public void testPurge(){
333 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
334 <        CancellableTask[] tasks = new CancellableTask[5];
335 <        for(int i = 0; i < 5; i++){
336 <            tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
337 <            one.execute(tasks[i]);
332 >    public void testRemove() throws InterruptedException {
333 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
334 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, q);
335 >        FutureTask[] tasks = new FutureTask[5];
336 >        for (int i = 0; i < 5; i++) {
337 >            tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
338 >            p1.execute(tasks[i]);
339 >        }
340 >        try {
341 >            Thread.sleep(SHORT_DELAY_MS);
342 >            assertFalse(p1.remove(tasks[0]));
343 >            assertTrue(q.contains(tasks[4]));
344 >            assertTrue(q.contains(tasks[3]));
345 >            assertTrue(p1.remove(tasks[4]));
346 >            assertFalse(p1.remove(tasks[4]));
347 >            assertFalse(q.contains(tasks[4]));
348 >            assertTrue(q.contains(tasks[3]));
349 >            assertTrue(p1.remove(tasks[3]));
350 >            assertFalse(q.contains(tasks[3]));
351 >        } finally {
352 >            joinPool(p1);
353 >        }
354 >    }
355 >
356 >    /**
357 >     * purge removes cancelled tasks from the queue
358 >     */
359 >    public void testPurge() {
360 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
361 >        FutureTask[] tasks = new FutureTask[5];
362 >        for (int i = 0; i < 5; i++) {
363 >            tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
364 >            p1.execute(tasks[i]);
365          }
366          tasks[4].cancel(true);
367          tasks[3].cancel(true);
368 <        one.purge();
369 <        long count = one.getTaskCount();
368 >        p1.purge();
369 >        long count = p1.getTaskCount();
370          assertTrue(count >= 2 && count < 5);
371 <        joinPool(one);
371 >        joinPool(p1);
372      }
373  
374      /**
375 <     *   shutDownNow returns a list
216 <     *  containing the correct number of elements
375 >     * shutDownNow returns a list containing tasks that were not run
376       */
377 <    public void testShutDownNow(){
378 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
377 >    public void testShutDownNow() {
378 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
379          List l;
380          try {
381 <            for(int i = 0; i < 5; i++)
382 <                one.execute(new MediumPossiblyInterruptedRunnable());
381 >            for (int i = 0; i < 5; i++)
382 >                p1.execute(new MediumPossiblyInterruptedRunnable());
383          }
384          finally {
385 <            l = one.shutdownNow();
385 >            try {
386 >                l = p1.shutdownNow();
387 >            } catch (SecurityException ok) { return; }
388          }
389 <        assertTrue(one.isShutdown());
390 <        assertTrue(l.size() <= 4);
389 >        assertTrue(p1.isShutdown());
390 >        assertTrue(l.size() <= 4);
391      }
392  
393      // Exception Tests
233    
394  
395 <    /** Throws if corePoolSize argument is less than zero */
395 >
396 >    /**
397 >     * Constructor throws if corePoolSize argument is less than zero
398 >     */
399      public void testConstructor1() {
400 <        try{
401 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
402 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
403 <        }
241 <        catch (IllegalArgumentException success){}
400 >        try {
401 >            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
402 >            shouldThrow();
403 >        } catch (IllegalArgumentException success) {}
404      }
405 <    
406 <    /** Throws if maximumPoolSize is less than zero */
405 >
406 >    /**
407 >     * Constructor throws if maximumPoolSize is less than zero
408 >     */
409      public void testConstructor2() {
410 <        try{
411 <            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
412 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
413 <        }
250 <        catch (IllegalArgumentException success){}
410 >        try {
411 >            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
412 >            shouldThrow();
413 >        } catch (IllegalArgumentException success) {}
414      }
415 <    
416 <    /** Throws if maximumPoolSize is equal to zero */
415 >
416 >    /**
417 >     * Constructor throws if maximumPoolSize is equal to zero
418 >     */
419      public void testConstructor3() {
420 <        try{
421 <            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
422 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
423 <        }
259 <        catch (IllegalArgumentException success){}
420 >        try {
421 >            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
422 >            shouldThrow();
423 >        } catch (IllegalArgumentException success) {}
424      }
425  
426 <    /** Throws if keepAliveTime is less than zero */
426 >    /**
427 >     * Constructor throws if keepAliveTime is less than zero
428 >     */
429      public void testConstructor4() {
430 <        try{
431 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
432 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
433 <        }
268 <        catch (IllegalArgumentException success){}
430 >        try {
431 >            new ThreadPoolExecutor(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
432 >            shouldThrow();
433 >        } catch (IllegalArgumentException success) {}
434      }
435  
436 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
436 >    /**
437 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
438 >     */
439      public void testConstructor5() {
440 <        try{
441 <            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
442 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
443 <        }
277 <        catch (IllegalArgumentException success){}
440 >        try {
441 >            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
442 >            shouldThrow();
443 >        } catch (IllegalArgumentException success) {}
444      }
445 <        
446 <    /** Throws if workQueue is set to null */
447 <    public void testNullPointerException() {
448 <        try{
449 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
450 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
451 <        }
452 <        catch (NullPointerException success){}  
445 >
446 >    /**
447 >     * Constructor throws if workQueue is set to null
448 >     */
449 >    public void testConstructorNullPointerException() {
450 >        try {
451 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,null);
452 >            shouldThrow();
453 >        } catch (NullPointerException success) {}
454      }
288    
455  
456 <    
457 <    /** Throws if corePoolSize argument is less than zero */
456 >
457 >
458 >    /**
459 >     * Constructor throws if corePoolSize argument is less than zero
460 >     */
461      public void testConstructor6() {
462 <        try{
463 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
464 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
465 <        } catch (IllegalArgumentException success){}
462 >        try {
463 >            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
464 >            shouldThrow();
465 >        } catch (IllegalArgumentException success) {}
466      }
467 <    
468 <    /** Throws if maximumPoolSize is less than zero */
467 >
468 >    /**
469 >     * Constructor throws if maximumPoolSize is less than zero
470 >     */
471      public void testConstructor7() {
472 <        try{
473 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
474 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
475 <        }
305 <        catch (IllegalArgumentException success){}
472 >        try {
473 >            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
474 >            shouldThrow();
475 >        } catch (IllegalArgumentException success) {}
476      }
477  
478 <    /** Throws if maximumPoolSize is equal to zero */
478 >    /**
479 >     * Constructor throws if maximumPoolSize is equal to zero
480 >     */
481      public void testConstructor8() {
482 <        try{
483 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
484 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
485 <        }
314 <        catch (IllegalArgumentException success){}
482 >        try {
483 >            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
484 >            shouldThrow();
485 >        } catch (IllegalArgumentException success) {}
486      }
487  
488 <    /** Throws if keepAliveTime is less than zero */
488 >    /**
489 >     * Constructor throws if keepAliveTime is less than zero
490 >     */
491      public void testConstructor9() {
492 <        try{
493 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
494 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
495 <        }
323 <        catch (IllegalArgumentException success){}
492 >        try {
493 >            new ThreadPoolExecutor(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
494 >            shouldThrow();
495 >        } catch (IllegalArgumentException success) {}
496      }
497  
498 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
498 >    /**
499 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
500 >     */
501      public void testConstructor10() {
502 <        try{
503 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
504 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
505 <        }
332 <        catch (IllegalArgumentException success){}
502 >        try {
503 >            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
504 >            shouldThrow();
505 >        } catch (IllegalArgumentException success) {}
506      }
507  
508 <    /** Throws if workQueue is set to null */
509 <    public void testNullPointerException2() {
510 <        try{
511 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
512 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
513 <        }
514 <        catch (NullPointerException success){}  
508 >    /**
509 >     * Constructor throws if workQueue is set to null
510 >     */
511 >    public void testConstructorNullPointerException2() {
512 >        try {
513 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,null,new SimpleThreadFactory());
514 >            shouldThrow();
515 >        } catch (NullPointerException success) {}
516      }
517  
518 <    /** Throws if threadFactory is set to null */
519 <    public void testNullPointerException3() {
520 <        try{
518 >    /**
519 >     * Constructor throws if threadFactory is set to null
520 >     */
521 >    public void testConstructorNullPointerException3() {
522 >        try {
523              ThreadFactory f = null;
524 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
525 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
526 <        }
351 <        catch (NullPointerException success){}  
524 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
525 >            shouldThrow();
526 >        } catch (NullPointerException success) {}
527      }
528 <
529 <    
530 <    /** Throws if corePoolSize argument is less than zero */
528 >
529 >
530 >    /**
531 >     * Constructor throws if corePoolSize argument is less than zero
532 >     */
533      public void testConstructor11() {
534 <        try{
535 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
536 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
537 <        }
361 <        catch (IllegalArgumentException success){}
534 >        try {
535 >            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
536 >            shouldThrow();
537 >        } catch (IllegalArgumentException success) {}
538      }
539  
540 <    /** Throws if maximumPoolSize is less than zero */
540 >    /**
541 >     * Constructor throws if maximumPoolSize is less than zero
542 >     */
543      public void testConstructor12() {
544 <        try{
545 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
546 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
547 <        }
370 <        catch (IllegalArgumentException success){}
544 >        try {
545 >            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
546 >            shouldThrow();
547 >        } catch (IllegalArgumentException success) {}
548      }
549  
550 <    /** Throws if maximumPoolSize is equal to zero */
550 >    /**
551 >     * Constructor throws if maximumPoolSize is equal to zero
552 >     */
553      public void testConstructor13() {
554 <        try{
555 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
556 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
557 <        }
379 <        catch (IllegalArgumentException success){}
554 >        try {
555 >            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
556 >            shouldThrow();
557 >        } catch (IllegalArgumentException success) {}
558      }
559  
560 <    /** Throws if keepAliveTime is less than zero */
560 >    /**
561 >     * Constructor throws if keepAliveTime is less than zero
562 >     */
563      public void testConstructor14() {
564 <        try{
565 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
566 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
567 <        }
388 <        catch (IllegalArgumentException success){}
564 >        try {
565 >            new ThreadPoolExecutor(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
566 >            shouldThrow();
567 >        } catch (IllegalArgumentException success) {}
568      }
569  
570 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
570 >    /**
571 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
572 >     */
573      public void testConstructor15() {
574 <        try{
575 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
576 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
577 <        }
397 <        catch (IllegalArgumentException success){}
574 >        try {
575 >            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
576 >            shouldThrow();
577 >        } catch (IllegalArgumentException success) {}
578      }
579  
580 <    /** Throws if workQueue is set to null */
581 <    public void testNullPointerException4() {
582 <        try{
583 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
584 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
585 <        }
586 <        catch (NullPointerException success){}  
580 >    /**
581 >     * Constructor throws if workQueue is set to null
582 >     */
583 >    public void testConstructorNullPointerException4() {
584 >        try {
585 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,null,new NoOpREHandler());
586 >            shouldThrow();
587 >        } catch (NullPointerException success) {}
588      }
589  
590 <    /** Throws if handler is set to null */
591 <    public void testNullPointerException5() {
592 <        try{
590 >    /**
591 >     * Constructor throws if handler is set to null
592 >     */
593 >    public void testConstructorNullPointerException5() {
594 >        try {
595              RejectedExecutionHandler r = null;
596 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
597 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
598 <        }
416 <        catch (NullPointerException success){}  
596 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
597 >            shouldThrow();
598 >        } catch (NullPointerException success) {}
599      }
600  
601 <    
602 <    /** Throws if corePoolSize argument is less than zero */
601 >
602 >    /**
603 >     * Constructor throws if corePoolSize argument is less than zero
604 >     */
605      public void testConstructor16() {
606 <        try{
607 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
608 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
609 <        }
426 <        catch (IllegalArgumentException success){}
606 >        try {
607 >            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
608 >            shouldThrow();
609 >        } catch (IllegalArgumentException success) {}
610      }
611  
612 <    /** Throws if maximumPoolSize is less than zero */
612 >    /**
613 >     * Constructor throws if maximumPoolSize is less than zero
614 >     */
615      public void testConstructor17() {
616 <        try{
617 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
618 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
619 <        }
435 <        catch (IllegalArgumentException success){}
616 >        try {
617 >            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
618 >            shouldThrow();
619 >        } catch (IllegalArgumentException success) {}
620      }
621  
622 <    /** Throws if maximumPoolSize is equal to zero */
622 >    /**
623 >     * Constructor throws if maximumPoolSize is equal to zero
624 >     */
625      public void testConstructor18() {
626 <        try{
627 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
628 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
629 <        }
444 <        catch (IllegalArgumentException success){}
626 >        try {
627 >            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
628 >            shouldThrow();
629 >        } catch (IllegalArgumentException success) {}
630      }
631  
632 <    /** Throws if keepAliveTime is less than zero */
632 >    /**
633 >     * Constructor throws if keepAliveTime is less than zero
634 >     */
635      public void testConstructor19() {
636 <        try{
637 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
638 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
639 <        }
453 <        catch (IllegalArgumentException success){}
636 >        try {
637 >            new ThreadPoolExecutor(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
638 >            shouldThrow();
639 >        } catch (IllegalArgumentException success) {}
640      }
641  
642 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
642 >    /**
643 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
644 >     */
645      public void testConstructor20() {
646 <        try{
647 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
648 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
646 >        try {
647 >            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
648 >            shouldThrow();
649 >        } catch (IllegalArgumentException success) {}
650 >    }
651 >
652 >    /**
653 >     * Constructor throws if workQueue is null
654 >     */
655 >    public void testConstructorNullPointerException6() {
656 >        try {
657 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler());
658 >            shouldThrow();
659 >        } catch (NullPointerException success) {}
660 >    }
661 >
662 >    /**
663 >     * Constructor throws if handler is null
664 >     */
665 >    public void testConstructorNullPointerException7() {
666 >        try {
667 >            RejectedExecutionHandler r = null;
668 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r);
669 >            shouldThrow();
670 >        } catch (NullPointerException success) {}
671 >    }
672 >
673 >    /**
674 >     * Constructor throws if ThreadFactory is null
675 >     */
676 >    public void testConstructorNullPointerException8() {
677 >        try {
678 >            ThreadFactory f = null;
679 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new NoOpREHandler());
680 >            shouldThrow();
681 >        } catch (NullPointerException success) {}
682 >    }
683 >
684 >
685 >    /**
686 >     * execute throws RejectedExecutionException if saturated.
687 >     */
688 >    public void testSaturatedExecute() {
689 >        ThreadPoolExecutor p =
690 >            new ThreadPoolExecutor(1, 1,
691 >                                   LONG_DELAY_MS, MILLISECONDS,
692 >                                   new ArrayBlockingQueue<Runnable>(1));
693 >        try {
694 >            for (int i = 0; i < 2; ++i)
695 >                p.execute(new MediumRunnable());
696 >            for (int i = 0; i < 2; ++i) {
697 >                try {
698 >                    p.execute(new MediumRunnable());
699 >                    shouldThrow();
700 >                } catch (RejectedExecutionException success) {}
701 >            }
702 >        } finally {
703 >            joinPool(p);
704          }
462        catch (IllegalArgumentException success){}
705      }
706  
707 <    /** Throws if workQueue is set to null */
708 <    public void testNullPointerException6() {
709 <        try{
710 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
711 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
707 >    /**
708 >     * executor using CallerRunsPolicy runs task if saturated.
709 >     */
710 >    public void testSaturatedExecute2() {
711 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
712 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
713 >        try {
714 >
715 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
716 >            for (int i = 0; i < 5; ++i) {
717 >                tasks[i] = new TrackedNoOpRunnable();
718 >            }
719 >            TrackedLongRunnable mr = new TrackedLongRunnable();
720 >            p.execute(mr);
721 >            for (int i = 0; i < 5; ++i) {
722 >                p.execute(tasks[i]);
723 >            }
724 >            for (int i = 1; i < 5; ++i) {
725 >                assertTrue(tasks[i].done);
726 >            }
727 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
728 >        } finally {
729 >            joinPool(p);
730          }
471        catch (NullPointerException success){}  
731      }
732  
733 <    /** Throws if handler is set to null */
734 <    public void testNullPointerException7() {
735 <        try{
736 <            RejectedExecutionHandler r = null;
737 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
738 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
733 >    /**
734 >     * executor using DiscardPolicy drops task if saturated.
735 >     */
736 >    public void testSaturatedExecute3() {
737 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
738 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
739 >        try {
740 >
741 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
742 >            for (int i = 0; i < 5; ++i) {
743 >                tasks[i] = new TrackedNoOpRunnable();
744 >            }
745 >            p.execute(new TrackedLongRunnable());
746 >            for (int i = 0; i < 5; ++i) {
747 >                p.execute(tasks[i]);
748 >            }
749 >            for (int i = 0; i < 5; ++i) {
750 >                assertFalse(tasks[i].done);
751 >            }
752 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
753 >        } finally {
754 >            joinPool(p);
755          }
481        catch (NullPointerException success){}  
756      }
757  
758 <    /** Throws if ThreadFactory is set top null */
759 <    public void testNullPointerException8() {
760 <        try{
761 <            ThreadFactory f = null;
762 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
763 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
758 >    /**
759 >     * executor using DiscardOldestPolicy drops oldest task if saturated.
760 >     */
761 >    public void testSaturatedExecute4() {
762 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
763 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
764 >        try {
765 >            p.execute(new TrackedLongRunnable());
766 >            TrackedLongRunnable r2 = new TrackedLongRunnable();
767 >            p.execute(r2);
768 >            assertTrue(p.getQueue().contains(r2));
769 >            TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
770 >            p.execute(r3);
771 >            assertFalse(p.getQueue().contains(r2));
772 >            assertTrue(p.getQueue().contains(r3));
773 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
774 >        } finally {
775 >            joinPool(p);
776 >        }
777 >    }
778 >
779 >    /**
780 >     * execute throws RejectedExecutionException if shutdown
781 >     */
782 >    public void testRejectedExecutionExceptionOnShutdown() {
783 >        ThreadPoolExecutor tpe =
784 >            new ThreadPoolExecutor(1,1,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
785 >        try { tpe.shutdown(); } catch (SecurityException ok) { return; }
786 >        try {
787 >            tpe.execute(new NoOpRunnable());
788 >            shouldThrow();
789 >        } catch (RejectedExecutionException success) {}
790 >
791 >        joinPool(tpe);
792 >    }
793 >
794 >    /**
795 >     * execute using CallerRunsPolicy drops task on shutdown
796 >     */
797 >    public void testCallerRunsOnShutdown() {
798 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
799 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
800 >
801 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
802 >        try {
803 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
804 >            p.execute(r);
805 >            assertFalse(r.done);
806 >        } finally {
807 >            joinPool(p);
808 >        }
809 >    }
810 >
811 >    /**
812 >     * execute using DiscardPolicy drops task on shutdown
813 >     */
814 >    public void testDiscardOnShutdown() {
815 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
816 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
817 >
818 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
819 >        try {
820 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
821 >            p.execute(r);
822 >            assertFalse(r.done);
823 >        } finally {
824 >            joinPool(p);
825          }
491        catch (NullPointerException successdn8){}  
826      }
827 <    
827 >
828  
829      /**
830 <     *   execute will throw RejectedExcutionException
831 <     *  ThreadPoolExecutor will throw one when more runnables are
832 <     *  executed then will fit in the Queue.
833 <     */
834 <    public void testRejectedExecutionException(){
835 <        ThreadPoolExecutor tpe = null;
836 <        try{
837 <            tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
838 <        } catch(Exception e){}
839 <        tpe.shutdown();
840 <        try{
507 <            tpe.execute(new NoOpRunnable());
508 <            fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
509 <        } catch(RejectedExecutionException success){}
510 <        
511 <        joinPool(tpe);
512 <    }
513 <    
514 <    /**
515 <     *   setCorePoolSize will throw IllegalArgumentException
516 <     *  when given a negative
517 <     */
518 <    public void testCorePoolSizeIllegalArgumentException(){
519 <        ThreadPoolExecutor tpe = null;
520 <        try{
521 <            tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
522 <        } catch(Exception e){}
523 <        try{
524 <            tpe.setCorePoolSize(-1);
525 <            fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
526 <        } catch(IllegalArgumentException success){
830 >     * execute using DiscardOldestPolicy drops task on shutdown
831 >     */
832 >    public void testDiscardOldestOnShutdown() {
833 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
834 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
835 >
836 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
837 >        try {
838 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
839 >            p.execute(r);
840 >            assertFalse(r.done);
841          } finally {
842 <            tpe.shutdown();
842 >            joinPool(p);
843          }
844 +    }
845 +
846 +
847 +    /**
848 +     * execute(null) throws NPE
849 +     */
850 +    public void testExecuteNull() {
851 +        ThreadPoolExecutor tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
852 +        try {
853 +            tpe.execute(null);
854 +            shouldThrow();
855 +        } catch (NullPointerException success) {}
856 +
857          joinPool(tpe);
858 <    }  
858 >    }
859  
533    
860      /**
861 <     *   setMaximumPoolSize(int) will throw IllegalArgumentException
862 <     *  if given a value less the it's actual core pool size
863 <     */  
864 <    public void testMaximumPoolSizeIllegalArgumentException(){
865 <        ThreadPoolExecutor tpe = null;
866 <        try{
867 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
868 <        } catch(Exception e){}
869 <        try{
861 >     * setCorePoolSize of negative value throws IllegalArgumentException
862 >     */
863 >    public void testCorePoolSizeIllegalArgumentException() {
864 >        ThreadPoolExecutor tpe =
865 >            new ThreadPoolExecutor(1, 2,
866 >                                   LONG_DELAY_MS, MILLISECONDS,
867 >                                   new ArrayBlockingQueue<Runnable>(10));
868 >        try {
869 >            tpe.setCorePoolSize(-1);
870 >            shouldThrow();
871 >        } catch (IllegalArgumentException success) {
872 >        } finally {
873 >            try { tpe.shutdown(); } catch (SecurityException ok) { return; }
874 >        }
875 >        joinPool(tpe);
876 >    }
877 >
878 >    /**
879 >     * setMaximumPoolSize(int) throws IllegalArgumentException if
880 >     * given a value less the core pool size
881 >     */
882 >    public void testMaximumPoolSizeIllegalArgumentException() {
883 >        ThreadPoolExecutor tpe =
884 >            new ThreadPoolExecutor(2, 3,
885 >                                   LONG_DELAY_MS, MILLISECONDS,
886 >                                   new ArrayBlockingQueue<Runnable>(10));
887 >        try {
888              tpe.setMaximumPoolSize(1);
889 <            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
890 <        } catch(IllegalArgumentException success){
889 >            shouldThrow();
890 >        } catch (IllegalArgumentException success) {
891          } finally {
892 <            tpe.shutdown();
892 >            try { tpe.shutdown(); } catch (SecurityException ok) { return; }
893          }
894          joinPool(tpe);
895      }
896 <    
896 >
897      /**
898 <     *   setMaximumPoolSize will throw IllegalArgumentException
899 <     *  if given a negative number
898 >     * setMaximumPoolSize throws IllegalArgumentException
899 >     * if given a negative value
900       */
901 <    public void testMaximumPoolSizeIllegalArgumentException2(){
902 <        ThreadPoolExecutor tpe = null;
903 <        try{
904 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
905 <        } catch(Exception e){}
906 <        try{
901 >    public void testMaximumPoolSizeIllegalArgumentException2() {
902 >        ThreadPoolExecutor tpe =
903 >            new ThreadPoolExecutor(2, 3,
904 >                                   LONG_DELAY_MS, MILLISECONDS,
905 >                                   new ArrayBlockingQueue<Runnable>(10));
906 >        try {
907              tpe.setMaximumPoolSize(-1);
908 <            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
909 <        } catch(IllegalArgumentException success){
908 >            shouldThrow();
909 >        } catch (IllegalArgumentException success) {
910 >        } finally {
911 >            try { tpe.shutdown(); } catch (SecurityException ok) { return; }
912 >        }
913 >        joinPool(tpe);
914 >    }
915 >
916 >
917 >    /**
918 >     * setKeepAliveTime throws IllegalArgumentException
919 >     * when given a negative value
920 >     */
921 >    public void testKeepAliveTimeIllegalArgumentException() {
922 >        ThreadPoolExecutor tpe =
923 >            new ThreadPoolExecutor(2, 3,
924 >                                   LONG_DELAY_MS, MILLISECONDS,
925 >                                   new ArrayBlockingQueue<Runnable>(10));
926 >        try {
927 >            tpe.setKeepAliveTime(-1,MILLISECONDS);
928 >            shouldThrow();
929 >        } catch (IllegalArgumentException success) {
930          } finally {
931 <            tpe.shutdown();
931 >            try { tpe.shutdown(); } catch (SecurityException ok) { return; }
932          }
933          joinPool(tpe);
934      }
571    
935  
936      /**
937 <     *   setKeepAliveTime will throw IllegalArgumentException
938 <     *  when given a negative value
937 >     * terminated() is called on termination
938 >     */
939 >    public void testTerminated() {
940 >        ExtendedTPE tpe = new ExtendedTPE();
941 >        try { tpe.shutdown(); } catch (SecurityException ok) { return; }
942 >        assertTrue(tpe.terminatedCalled);
943 >        joinPool(tpe);
944 >    }
945 >
946 >    /**
947 >     * beforeExecute and afterExecute are called when executing task
948 >     */
949 >    public void testBeforeAfter() throws InterruptedException {
950 >        ExtendedTPE tpe = new ExtendedTPE();
951 >        try {
952 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
953 >            tpe.execute(r);
954 >            Thread.sleep(SHORT_DELAY_MS);
955 >            assertTrue(r.done);
956 >            assertTrue(tpe.beforeCalled);
957 >            assertTrue(tpe.afterCalled);
958 >            try { tpe.shutdown(); } catch (SecurityException ok) { return; }
959 >        } finally {
960 >            joinPool(tpe);
961 >        }
962 >    }
963 >
964 >    /**
965 >     * completed submit of callable returns result
966 >     */
967 >    public void testSubmitCallable() throws Exception {
968 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
969 >        try {
970 >            Future<String> future = e.submit(new StringTask());
971 >            String result = future.get();
972 >            assertSame(TEST_STRING, result);
973 >        } finally {
974 >            joinPool(e);
975 >        }
976 >    }
977 >
978 >    /**
979 >     * completed submit of runnable returns successfully
980 >     */
981 >    public void testSubmitRunnable() throws Exception {
982 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
983 >        try {
984 >            Future<?> future = e.submit(new NoOpRunnable());
985 >            future.get();
986 >            assertTrue(future.isDone());
987 >        } finally {
988 >            joinPool(e);
989 >        }
990 >    }
991 >
992 >    /**
993 >     * completed submit of (runnable, result) returns result
994 >     */
995 >    public void testSubmitRunnable2() throws Exception {
996 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
997 >        try {
998 >            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
999 >            String result = future.get();
1000 >            assertSame(TEST_STRING, result);
1001 >        } finally {
1002 >            joinPool(e);
1003 >        }
1004 >    }
1005 >
1006 >
1007 >    /**
1008 >     * invokeAny(null) throws NPE
1009 >     */
1010 >    public void testInvokeAny1() throws Exception {
1011 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1012 >        try {
1013 >            e.invokeAny(null);
1014 >            shouldThrow();
1015 >        } catch (NullPointerException success) {
1016 >        } finally {
1017 >            joinPool(e);
1018 >        }
1019 >    }
1020 >
1021 >    /**
1022 >     * invokeAny(empty collection) throws IAE
1023 >     */
1024 >    public void testInvokeAny2() throws Exception {
1025 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1026 >        try {
1027 >            e.invokeAny(new ArrayList<Callable<String>>());
1028 >            shouldThrow();
1029 >        } catch (IllegalArgumentException success) {
1030 >        } finally {
1031 >            joinPool(e);
1032 >        }
1033 >    }
1034 >
1035 >    /**
1036 >     * invokeAny(c) throws NPE if c has null elements
1037 >     */
1038 >    public void testInvokeAny3() throws Exception {
1039 >        CountDownLatch latch = new CountDownLatch(1);
1040 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1041 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1042 >        l.add(latchAwaitingStringTask(latch));
1043 >        l.add(null);
1044 >        try {
1045 >            e.invokeAny(l);
1046 >            shouldThrow();
1047 >        } catch (NullPointerException success) {
1048 >        } finally {
1049 >            latch.countDown();
1050 >            joinPool(e);
1051 >        }
1052 >    }
1053 >
1054 >    /**
1055 >     * invokeAny(c) throws ExecutionException if no task completes
1056 >     */
1057 >    public void testInvokeAny4() throws Exception {
1058 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1059 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1060 >        l.add(new NPETask());
1061 >        try {
1062 >            e.invokeAny(l);
1063 >            shouldThrow();
1064 >        } catch (ExecutionException success) {
1065 >            assertTrue(success.getCause() instanceof NullPointerException);
1066 >        } finally {
1067 >            joinPool(e);
1068 >        }
1069 >    }
1070 >
1071 >    /**
1072 >     * invokeAny(c) returns result of some task
1073 >     */
1074 >    public void testInvokeAny5() throws Exception {
1075 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1076 >        try {
1077 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1078 >            l.add(new StringTask());
1079 >            l.add(new StringTask());
1080 >            String result = e.invokeAny(l);
1081 >            assertSame(TEST_STRING, result);
1082 >        } finally {
1083 >            joinPool(e);
1084 >        }
1085 >    }
1086 >
1087 >    /**
1088 >     * invokeAll(null) throws NPE
1089 >     */
1090 >    public void testInvokeAll1() throws Exception {
1091 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1092 >        try {
1093 >            e.invokeAll(null);
1094 >            shouldThrow();
1095 >        } catch (NullPointerException success) {
1096 >        } finally {
1097 >            joinPool(e);
1098 >        }
1099 >    }
1100 >
1101 >    /**
1102 >     * invokeAll(empty collection) returns empty collection
1103 >     */
1104 >    public void testInvokeAll2() throws InterruptedException {
1105 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1106 >        try {
1107 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1108 >            assertTrue(r.isEmpty());
1109 >        } finally {
1110 >            joinPool(e);
1111 >        }
1112 >    }
1113 >
1114 >    /**
1115 >     * invokeAll(c) throws NPE if c has null elements
1116 >     */
1117 >    public void testInvokeAll3() throws Exception {
1118 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1119 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1120 >        l.add(new StringTask());
1121 >        l.add(null);
1122 >        try {
1123 >            e.invokeAll(l);
1124 >            shouldThrow();
1125 >        } catch (NullPointerException success) {
1126 >        } finally {
1127 >            joinPool(e);
1128 >        }
1129 >    }
1130 >
1131 >    /**
1132 >     * get of element of invokeAll(c) throws exception on failed task
1133 >     */
1134 >    public void testInvokeAll4() throws Exception {
1135 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1136 >        try {
1137 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1138 >            l.add(new NPETask());
1139 >            List<Future<String>> futures = e.invokeAll(l);
1140 >            assertEquals(1, futures.size());
1141 >            try {
1142 >                futures.get(0).get();
1143 >                shouldThrow();
1144 >            } catch (ExecutionException success) {
1145 >                assertTrue(success.getCause() instanceof NullPointerException);
1146 >            }
1147 >        } finally {
1148 >            joinPool(e);
1149 >        }
1150 >    }
1151 >
1152 >    /**
1153 >     * invokeAll(c) returns results of all completed tasks
1154       */
1155 <    public void testKeepAliveTimeIllegalArgumentException(){
1156 <        ThreadPoolExecutor tpe = null;
1157 <        try{
1158 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1159 <        } catch(Exception e){}
1160 <        
1161 <        try{
1162 <            tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1163 <            fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
1164 <        } catch(IllegalArgumentException success){
1155 >    public void testInvokeAll5() throws Exception {
1156 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1157 >        try {
1158 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1159 >            l.add(new StringTask());
1160 >            l.add(new StringTask());
1161 >            List<Future<String>> futures = e.invokeAll(l);
1162 >            assertEquals(2, futures.size());
1163 >            for (Future<String> future : futures)
1164 >                assertSame(TEST_STRING, future.get());
1165 >        } finally {
1166 >            joinPool(e);
1167 >        }
1168 >    }
1169 >
1170 >
1171 >
1172 >    /**
1173 >     * timed invokeAny(null) throws NPE
1174 >     */
1175 >    public void testTimedInvokeAny1() throws Exception {
1176 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1177 >        try {
1178 >            e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1179 >            shouldThrow();
1180 >        } catch (NullPointerException success) {
1181 >        } finally {
1182 >            joinPool(e);
1183 >        }
1184 >    }
1185 >
1186 >    /**
1187 >     * timed invokeAny(,,null) throws NPE
1188 >     */
1189 >    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1190 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1191 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1192 >        l.add(new StringTask());
1193 >        try {
1194 >            e.invokeAny(l, MEDIUM_DELAY_MS, null);
1195 >            shouldThrow();
1196 >        } catch (NullPointerException success) {
1197 >        } finally {
1198 >            joinPool(e);
1199 >        }
1200 >    }
1201 >
1202 >    /**
1203 >     * timed invokeAny(empty collection) throws IAE
1204 >     */
1205 >    public void testTimedInvokeAny2() throws Exception {
1206 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1207 >        try {
1208 >            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1209 >            shouldThrow();
1210 >        } catch (IllegalArgumentException success) {
1211 >        } finally {
1212 >            joinPool(e);
1213 >        }
1214 >    }
1215 >
1216 >    /**
1217 >     * timed invokeAny(c) throws NPE if c has null elements
1218 >     */
1219 >    public void testTimedInvokeAny3() throws Exception {
1220 >        CountDownLatch latch = new CountDownLatch(1);
1221 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1222 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1223 >        l.add(latchAwaitingStringTask(latch));
1224 >        l.add(null);
1225 >        try {
1226 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1227 >            shouldThrow();
1228 >        } catch (NullPointerException success) {
1229 >        } finally {
1230 >            latch.countDown();
1231 >            joinPool(e);
1232 >        }
1233 >    }
1234 >
1235 >    /**
1236 >     * timed invokeAny(c) throws ExecutionException if no task completes
1237 >     */
1238 >    public void testTimedInvokeAny4() throws Exception {
1239 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1240 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1241 >        l.add(new NPETask());
1242 >        try {
1243 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1244 >            shouldThrow();
1245 >        } catch (ExecutionException success) {
1246 >            assertTrue(success.getCause() instanceof NullPointerException);
1247 >        } finally {
1248 >            joinPool(e);
1249 >        }
1250 >    }
1251 >
1252 >    /**
1253 >     * timed invokeAny(c) returns result of some task
1254 >     */
1255 >    public void testTimedInvokeAny5() throws Exception {
1256 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1257 >        try {
1258 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1259 >            l.add(new StringTask());
1260 >            l.add(new StringTask());
1261 >            String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1262 >            assertSame(TEST_STRING, result);
1263 >        } finally {
1264 >            joinPool(e);
1265 >        }
1266 >    }
1267 >
1268 >    /**
1269 >     * timed invokeAll(null) throws NPE
1270 >     */
1271 >    public void testTimedInvokeAll1() throws Exception {
1272 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1273 >        try {
1274 >            e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1275 >            shouldThrow();
1276 >        } catch (NullPointerException success) {
1277 >        } finally {
1278 >            joinPool(e);
1279 >        }
1280 >    }
1281 >
1282 >    /**
1283 >     * timed invokeAll(,,null) throws NPE
1284 >     */
1285 >    public void testTimedInvokeAllNullTimeUnit() throws Exception {
1286 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1287 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1288 >        l.add(new StringTask());
1289 >        try {
1290 >            e.invokeAll(l, MEDIUM_DELAY_MS, null);
1291 >            shouldThrow();
1292 >        } catch (NullPointerException success) {
1293 >        } finally {
1294 >            joinPool(e);
1295 >        }
1296 >    }
1297 >
1298 >    /**
1299 >     * timed invokeAll(empty collection) returns empty collection
1300 >     */
1301 >    public void testTimedInvokeAll2() throws InterruptedException {
1302 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1303 >        try {
1304 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1305 >            assertTrue(r.isEmpty());
1306          } finally {
1307 <            tpe.shutdown();
1307 >            joinPool(e);
1308          }
1309 +    }
1310 +
1311 +    /**
1312 +     * timed invokeAll(c) throws NPE if c has null elements
1313 +     */
1314 +    public void testTimedInvokeAll3() throws Exception {
1315 +        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1316 +        List<Callable<String>> l = new ArrayList<Callable<String>>();
1317 +        l.add(new StringTask());
1318 +        l.add(null);
1319 +        try {
1320 +            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1321 +            shouldThrow();
1322 +        } catch (NullPointerException success) {
1323 +        } finally {
1324 +            joinPool(e);
1325 +        }
1326 +    }
1327 +
1328 +    /**
1329 +     * get of element of invokeAll(c) throws exception on failed task
1330 +     */
1331 +    public void testTimedInvokeAll4() throws Exception {
1332 +        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1333 +        List<Callable<String>> l = new ArrayList<Callable<String>>();
1334 +        l.add(new NPETask());
1335 +        List<Future<String>> futures =
1336 +            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1337 +        assertEquals(1, futures.size());
1338 +        try {
1339 +            futures.get(0).get();
1340 +            shouldThrow();
1341 +        } catch (ExecutionException success) {
1342 +            assertTrue(success.getCause() instanceof NullPointerException);
1343 +        } finally {
1344 +            joinPool(e);
1345 +        }
1346 +    }
1347 +
1348 +    /**
1349 +     * timed invokeAll(c) returns results of all completed tasks
1350 +     */
1351 +    public void testTimedInvokeAll5() throws Exception {
1352 +        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1353 +        try {
1354 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
1355 +            l.add(new StringTask());
1356 +            l.add(new StringTask());
1357 +            List<Future<String>> futures =
1358 +                e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1359 +            assertEquals(2, futures.size());
1360 +            for (Future<String> future : futures)
1361 +                assertSame(TEST_STRING, future.get());
1362 +        } finally {
1363 +            joinPool(e);
1364 +        }
1365 +    }
1366 +
1367 +    /**
1368 +     * timed invokeAll(c) cancels tasks not completed by timeout
1369 +     */
1370 +    public void testTimedInvokeAll6() throws Exception {
1371 +        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1372 +        try {
1373 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
1374 +            l.add(new StringTask());
1375 +            l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1376 +            l.add(new StringTask());
1377 +            List<Future<String>> futures =
1378 +                e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1379 +            assertEquals(3, futures.size());
1380 +            Iterator<Future<String>> it = futures.iterator();
1381 +            Future<String> f1 = it.next();
1382 +            Future<String> f2 = it.next();
1383 +            Future<String> f3 = it.next();
1384 +            assertTrue(f1.isDone());
1385 +            assertTrue(f2.isDone());
1386 +            assertTrue(f3.isDone());
1387 +            assertFalse(f1.isCancelled());
1388 +            assertTrue(f2.isCancelled());
1389 +        } finally {
1390 +            joinPool(e);
1391 +        }
1392 +    }
1393 +
1394 +    /**
1395 +     * Execution continues if there is at least one thread even if
1396 +     * thread factory fails to create more
1397 +     */
1398 +    public void testFailingThreadFactory() throws InterruptedException {
1399 +        ExecutorService e = new ThreadPoolExecutor(100, 100, LONG_DELAY_MS, MILLISECONDS, new LinkedBlockingQueue<Runnable>(), new FailingThreadFactory());
1400 +        try {
1401 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
1402 +            for (int k = 0; k < 100; ++k) {
1403 +                e.execute(new NoOpRunnable());
1404 +            }
1405 +            Thread.sleep(LONG_DELAY_MS);
1406 +        } finally {
1407 +            joinPool(e);
1408 +        }
1409 +    }
1410 +
1411 +    /**
1412 +     * allowsCoreThreadTimeOut is by default false.
1413 +     */
1414 +    public void testAllowsCoreThreadTimeOut() {
1415 +        ThreadPoolExecutor tpe = new ThreadPoolExecutor(2, 2, 1000, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1416 +        assertFalse(tpe.allowsCoreThreadTimeOut());
1417          joinPool(tpe);
1418      }
1419 <  
1419 >
1420 >    /**
1421 >     * allowCoreThreadTimeOut(true) causes idle threads to time out
1422 >     */
1423 >    public void testAllowCoreThreadTimeOut_true() throws InterruptedException {
1424 >        ThreadPoolExecutor tpe = new ThreadPoolExecutor(2, 10, 10, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1425 >        tpe.allowCoreThreadTimeOut(true);
1426 >        tpe.execute(new NoOpRunnable());
1427 >        try {
1428 >            Thread.sleep(MEDIUM_DELAY_MS);
1429 >            assertEquals(0, tpe.getPoolSize());
1430 >        } finally {
1431 >            joinPool(tpe);
1432 >        }
1433 >    }
1434 >
1435 >    /**
1436 >     * allowCoreThreadTimeOut(false) causes idle threads not to time out
1437 >     */
1438 >    public void testAllowCoreThreadTimeOut_false() throws InterruptedException {
1439 >        ThreadPoolExecutor tpe = new ThreadPoolExecutor(2, 10, 10, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1440 >        tpe.allowCoreThreadTimeOut(false);
1441 >        tpe.execute(new NoOpRunnable());
1442 >        try {
1443 >            Thread.sleep(MEDIUM_DELAY_MS);
1444 >            assertTrue(tpe.getPoolSize() >= 1);
1445 >        } finally {
1446 >            joinPool(tpe);
1447 >        }
1448 >    }
1449 >
1450 >    /**
1451 >     * execute allows the same task to be submitted multiple times, even
1452 >     * if rejected
1453 >     */
1454 >    public void testRejectedRecycledTask() throws InterruptedException {
1455 >        final int nTasks = 1000;
1456 >        final AtomicInteger nRun = new AtomicInteger(0);
1457 >        final Runnable recycledTask = new Runnable() {
1458 >                public void run() {
1459 >                    nRun.getAndIncrement();
1460 >                } };
1461 >        final ThreadPoolExecutor p =
1462 >            new ThreadPoolExecutor(1, 30, 60, TimeUnit.SECONDS,
1463 >                                   new ArrayBlockingQueue(30));
1464 >        try {
1465 >            for (int i = 0; i < nTasks; ++i) {
1466 >                for (;;) {
1467 >                    try {
1468 >                        p.execute(recycledTask);
1469 >                        break;
1470 >                    }
1471 >                    catch (RejectedExecutionException ignore) {
1472 >                    }
1473 >                }
1474 >            }
1475 >            Thread.sleep(5000); // enough time to run all tasks
1476 >            assertEquals(nRun.get(), nTasks);
1477 >        } finally {
1478 >            p.shutdown();
1479 >        }
1480 >    }
1481 >
1482   }

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